<table border="1" mj_done="true">
    <thead>
    <tr>
        <th>序号</th>
        <th>编号</th>
        <th>题目</th>
        <th>通过率</th>
        <th>难度</th>
        <th>出题指数</th>
        <th>出现频率</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>1</td>
        <td>1</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum/">两数之和</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>5</td>
        <td>0.394</td>
    </tr>
    <tr>
        <td>2</td>
        <td>146</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lru-cache/">LRU缓存机制</a></td>
        <td>45.4%</td>
        <td>中等</td>
        <td>5</td>
        <td>1.572</td>
    </tr>
    <tr>
        <td>3</td>
        <td>56</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-intervals/">合并区间</a></td>
        <td>40.2%</td>
        <td>中等</td>
        <td>5</td>
        <td>1.148</td>
    </tr>
    <tr>
        <td>4</td>
        <td>200</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-islands/">岛屿数量</a></td>
        <td>46.9%</td>
        <td>中等</td>
        <td>5</td>
        <td>1.097</td>
    </tr>
    <tr>
        <td>5</td>
        <td>42</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trapping-rain-water/">接雨水</a></td>
        <td>48.4%</td>
        <td>困难</td>
        <td>5</td>
        <td>0.975</td>
    </tr>
    <tr>
        <td>6</td>
        <td>36</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-sudoku/">有效的数独</a></td>
        <td>58.2%</td>
        <td>中等</td>
        <td>5</td>
        <td>1.1</td>
    </tr>
    <tr>
        <td>7</td>
        <td>49</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/group-anagrams/">字母异位词分组</a></td>
        <td>60.6%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.965</td>
    </tr>
    <tr>
        <td>8</td>
        <td>332</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reconstruct-itinerary/">重新安排行程</a></td>
        <td>35.6%</td>
        <td>中等</td>
        <td>4</td>
        <td>2.425</td>
    </tr>
    <tr>
        <td>9</td>
        <td>2</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers/">两数相加</a></td>
        <td>36.6%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.269</td>
    </tr>
    <tr>
        <td>10</td>
        <td>253</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/meeting-rooms-ii/">会议室 II</a></td>
        <td>40.9%</td>
        <td>中等</td>
        <td>4</td>
        <td>2.295</td>
    </tr>
    <tr>
        <td>11</td>
        <td>341</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-nested-list-iterator/">扁平化嵌套列表迭代器</a></td>
        <td>62.0%</td>
        <td>中等</td>
        <td>4</td>
        <td>2.213</td>
    </tr>
    <tr>
        <td>12</td>
        <td>17</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number/">电话号码的字母组合</a></td>
        <td>52.4%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.572</td>
    </tr>
    <tr>
        <td>13</td>
        <td>139</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-break/">单词拆分</a></td>
        <td>43.1%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.986</td>
    </tr>
    <tr>
        <td>14</td>
        <td>15</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum/">三数之和</a></td>
        <td>25.4%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.379</td>
    </tr>
    <tr>
        <td>15</td>
        <td>297</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree/">二叉树的序列化与反序列化</a>
        </td>
        <td>44.2%</td>
        <td>困难</td>
        <td>4</td>
        <td>1.508</td>
    </tr>
    <tr>
        <td>16</td>
        <td>3</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/">无重复字符的最长子串</a>
        </td>
        <td>32.8%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.241</td>
    </tr>
    <tr>
        <td>17</td>
        <td>68</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/text-justification/">文本左右对齐</a></td>
        <td>42.1%</td>
        <td>困难</td>
        <td>4</td>
        <td>2.205</td>
    </tr>
    <tr>
        <td>18</td>
        <td>227</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator-ii/">基本计算器 II</a></td>
        <td>34.7%</td>
        <td>中等</td>
        <td>4</td>
        <td>1.792</td>
    </tr>
    <tr>
        <td>19</td>
        <td>34</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/">在排序数组中查找元素的第一个和最后一个位置</a>
        </td>
        <td>38.9%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.606</td>
    </tr>
    <tr>
        <td>20</td>
        <td>79</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-search/">单词搜索</a></td>
        <td>40.3%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.857</td>
    </tr>
    <tr>
        <td>21</td>
        <td>986</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/interval-list-intersections/">区间列表的交集</a></td>
        <td>61.0%</td>
        <td>中等</td>
        <td>4</td>
        <td>2.617</td>
    </tr>
    <tr>
        <td>22</td>
        <td>4</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/median-of-two-sorted-arrays/">寻找两个有序数组的中位数</a>
        </td>
        <td>36.7%</td>
        <td>困难</td>
        <td>4</td>
        <td>0.399</td>
    </tr>
    <tr>
        <td>23</td>
        <td>380</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-delete-getrandom-o1/">常数时间插入、删除和获取随机元素</a>
        </td>
        <td>47.7%</td>
        <td>中等</td>
        <td>4</td>
        <td>1.819</td>
    </tr>
    <tr>
        <td>24</td>
        <td>427</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/construct-quad-tree/">建立四叉树</a></td>
        <td>57.0%</td>
        <td>中等</td>
        <td>4</td>
        <td>3.59</td>
    </tr>
    <tr>
        <td>25</td>
        <td>20</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-parentheses/">有效的括号</a></td>
        <td>40.8%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.252</td>
    </tr>
    <tr>
        <td>26</td>
        <td>22</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/generate-parentheses/">括号生成</a></td>
        <td>73.2%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.489</td>
    </tr>
    <tr>
        <td>27</td>
        <td>262</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trips-and-users/">行程和用户</a></td>
        <td>45.2%</td>
        <td>困难</td>
        <td>4</td>
        <td>2.207</td>
    </tr>
    <tr>
        <td>28</td>
        <td>10</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/regular-expression-matching/">正则表达式匹配</a></td>
        <td>26.0%</td>
        <td>困难</td>
        <td>4</td>
        <td>0.627</td>
    </tr>
    <tr>
        <td>29</td>
        <td>23</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-k-sorted-lists/">合并K个排序链表</a></td>
        <td>48.7%</td>
        <td>困难</td>
        <td>4</td>
        <td>0.56</td>
    </tr>
    <tr>
        <td>30</td>
        <td>212</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-search-ii/">单词搜索 II</a></td>
        <td>39.1%</td>
        <td>困难</td>
        <td>4</td>
        <td>1.641</td>
    </tr>
    <tr>
        <td>31</td>
        <td>741</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/cherry-pickup/">摘樱桃</a></td>
        <td>29.9%</td>
        <td>困难</td>
        <td>4</td>
        <td>3.315</td>
    </tr>
    <tr>
        <td>32</td>
        <td>21</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-two-sorted-lists/">合并两个有序链表</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.232</td>
    </tr>
    <tr>
        <td>33</td>
        <td>53</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-subarray/">最大子序和</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.258</td>
    </tr>
    <tr>
        <td>34</td>
        <td>239</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sliding-window-maximum/">滑动窗口最大值</a></td>
        <td>43.7%</td>
        <td>困难</td>
        <td>4</td>
        <td>0.895</td>
    </tr>
    <tr>
        <td>35</td>
        <td>305</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-islands-ii/">岛屿数量 II</a></td>
        <td>31.9%</td>
        <td>困难</td>
        <td>4</td>
        <td>3.32</td>
    </tr>
    <tr>
        <td>36</td>
        <td>76</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-window-substring/">最小覆盖子串</a></td>
        <td>35.3%</td>
        <td>困难</td>
        <td>4</td>
        <td>0.87</td>
    </tr>
    <tr>
        <td>37</td>
        <td>359</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/logger-rate-limiter/">日志速率限制器</a></td>
        <td>68.3%</td>
        <td>简单</td>
        <td>4</td>
        <td>2.639</td>
    </tr>
    <tr>
        <td>38</td>
        <td>529</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minesweeper/">扫雷游戏</a></td>
        <td>58.7%</td>
        <td>中等</td>
        <td>4</td>
        <td>2.294</td>
    </tr>
    <tr>
        <td>39</td>
        <td>5</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-substring/">最长回文子串</a></td>
        <td>28.4%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.223</td>
    </tr>
    <tr>
        <td>40</td>
        <td>166</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fraction-to-recurring-decimal/">分数到小数</a></td>
        <td>25.6%</td>
        <td>中等</td>
        <td>4</td>
        <td>1.519</td>
    </tr>
    <tr>
        <td>41</td>
        <td>173</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-search-tree-iterator/">二叉搜索树迭代器</a></td>
        <td>70.7%</td>
        <td>中等</td>
        <td>4</td>
        <td>1.144</td>
    </tr>
    <tr>
        <td>42</td>
        <td>127</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-ladder/">单词接龙</a></td>
        <td>39.5%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.929</td>
    </tr>
    <tr>
        <td>43</td>
        <td>11</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/container-with-most-water/">盛最多水的容器</a></td>
        <td>61.1%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.24</td>
    </tr>
    <tr>
        <td>44</td>
        <td>121</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/">买卖股票的最佳时机</a>
        </td>
        <td>52.3%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.264</td>
    </tr>
    <tr>
        <td>45</td>
        <td>54</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix/">螺旋矩阵</a></td>
        <td>38.5%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.574</td>
    </tr>
    <tr>
        <td>46</td>
        <td>133</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/clone-graph/">克隆图</a></td>
        <td>48.7%</td>
        <td>中等</td>
        <td>4</td>
        <td>1.19</td>
    </tr>
    <tr>
        <td>47</td>
        <td>207</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule/">课程表</a></td>
        <td>49.1%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.859</td>
    </tr>
    <tr>
        <td>48</td>
        <td>528</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/random-pick-with-weight/">按权重随机选择</a></td>
        <td>40.5%</td>
        <td>中等</td>
        <td>4</td>
        <td>2.72</td>
    </tr>
    <tr>
        <td>49</td>
        <td>224</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator/">基本计算器</a></td>
        <td>36.8%</td>
        <td>困难</td>
        <td>4</td>
        <td>1.497</td>
    </tr>
    <tr>
        <td>50</td>
        <td>636</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/exclusive-time-of-functions/">函数的独占时间</a></td>
        <td>48.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>2.468</td>
    </tr>
    <tr>
        <td>51</td>
        <td>128</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-consecutive-sequence/">最长连续序列</a></td>
        <td>47.6%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.855</td>
    </tr>
    <tr>
        <td>52</td>
        <td>269</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/alien-dictionary/">火星词典</a></td>
        <td>39.6%</td>
        <td>困难</td>
        <td>3</td>
        <td>2.679</td>
    </tr>
    <tr>
        <td>53</td>
        <td>465</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/optimal-account-balancing/">最优账单平衡</a></td>
        <td>46.0%</td>
        <td>困难</td>
        <td>3</td>
        <td>4.101</td>
    </tr>
    <tr>
        <td>54</td>
        <td>33</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-in-rotated-sorted-array/">搜索旋转排序数组</a></td>
        <td>36.3%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.353</td>
    </tr>
    <tr>
        <td>55</td>
        <td>91</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/decode-ways/">解码方法</a></td>
        <td>23.0%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.525</td>
    </tr>
    <tr>
        <td>56</td>
        <td>286</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/walls-and-gates/">墙与门</a></td>
        <td>44.0%</td>
        <td>中等</td>
        <td>3</td>
        <td>2.195</td>
    </tr>
    <tr>
        <td>57</td>
        <td>57</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-interval/">插入区间</a></td>
        <td>36.8%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.959</td>
    </tr>
    <tr>
        <td>58</td>
        <td>206</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list/">反转链表</a></td>
        <td>66.9%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.2</td>
    </tr>
    <tr>
        <td>59</td>
        <td>208</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-trie-prefix-tree/">实现 Trie (前缀树)</a>
        </td>
        <td>64.3%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.672</td>
    </tr>
    <tr>
        <td>60</td>
        <td>291</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-pattern-ii/">单词规律 II</a></td>
        <td>55.0%</td>
        <td>困难</td>
        <td>3</td>
        <td>3.477</td>
    </tr>
    <tr>
        <td>61</td>
        <td>210</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule-ii/">课程表 II</a></td>
        <td>46.1%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.994</td>
    </tr>
    <tr>
        <td>62</td>
        <td>329</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix/">矩阵中的最长递增路径</a></td>
        <td>39.6%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.281</td>
    </tr>
    <tr>
        <td>63</td>
        <td>39</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum/">组合总和</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.36</td>
    </tr>
    <tr>
        <td>64</td>
        <td>140</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-break-ii/">单词拆分 II</a></td>
        <td>37.7%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.079</td>
    </tr>
    <tr>
        <td>65</td>
        <td>99</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/recover-binary-search-tree/">恢复二叉搜索树</a></td>
        <td>54.7%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.158</td>
    </tr>
    <tr>
        <td>66</td>
        <td>977</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/squares-of-a-sorted-array/">有序数组的平方</a></td>
        <td>70.9%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.79</td>
    </tr>
    <tr>
        <td>67</td>
        <td>13</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/roman-to-integer/">罗马数字转整数</a></td>
        <td>60.6%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.187</td>
    </tr>
    <tr>
        <td>68</td>
        <td>347</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-elements/">前 K 个高频元素</a></td>
        <td>60.1%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.492</td>
    </tr>
    <tr>
        <td>69</td>
        <td>32</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-valid-parentheses/">最长有效括号</a></td>
        <td>29.5%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.42</td>
    </tr>
    <tr>
        <td>70</td>
        <td>126</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-ladder-ii/">单词接龙 II</a></td>
        <td>31.2%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.436</td>
    </tr>
    <tr>
        <td>71</td>
        <td>273</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-to-english-words/">整数转换英文表示</a></td>
        <td>26.1%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.777</td>
    </tr>
    <tr>
        <td>72</td>
        <td>642</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-search-autocomplete-system/">设计搜索自动补全系统</a>
        </td>
        <td>40.3%</td>
        <td>困难</td>
        <td>3</td>
        <td>3.101</td>
    </tr>
    <tr>
        <td>73</td>
        <td>621</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/task-scheduler/">任务调度器</a></td>
        <td>47.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.832</td>
    </tr>
    <tr>
        <td>74</td>
        <td>37</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sudoku-solver/">解数独</a></td>
        <td>59.3%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.792</td>
    </tr>
    <tr>
        <td>75</td>
        <td>70</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/climbing-stairs/">爬楼梯</a></td>
        <td>47.8%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.16</td>
    </tr>
    <tr>
        <td>76</td>
        <td>267</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-permutation-ii/">回文排列 II</a></td>
        <td>39.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>2.758</td>
    </tr>
    <tr>
        <td>77</td>
        <td>283</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/move-zeroes/">移动零</a></td>
        <td>59.2%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.25</td>
    </tr>
    <tr>
        <td>78</td>
        <td>655</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/print-binary-tree/">输出二叉树</a></td>
        <td>53.7%</td>
        <td>中等</td>
        <td>3</td>
        <td>2.083</td>
    </tr>
    <tr>
        <td>79</td>
        <td>7</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-integer/">整数反转</a></td>
        <td>33.6%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.097</td>
    </tr>
    <tr>
        <td>80</td>
        <td>138</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/copy-list-with-random-pointer/">复制带随机指针的链表</a>
        </td>
        <td>43.6%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.644</td>
    </tr>
    <tr>
        <td>81</td>
        <td>279</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/perfect-squares/">完全平方数</a></td>
        <td>53.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.446</td>
    </tr>
    <tr>
        <td>82</td>
        <td>381</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-delete-getrandom-o1-duplicates-allowed/">O(1)
            时间插入、删除和获取随机元素 - 允许重复</a></td>
        <td>36.6%</td>
        <td>困难</td>
        <td>3</td>
        <td>2.157</td>
    </tr>
    <tr>
        <td>83</td>
        <td>658</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-k-closest-elements/">找到 K 个最接近的元素</a></td>
        <td>42.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>1.544</td>
    </tr>
    <tr>
        <td>84</td>
        <td>75</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-colors/">颜色分类</a></td>
        <td>54.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.286</td>
    </tr>
    <tr>
        <td>85</td>
        <td>85</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximal-rectangle/">最大矩形</a></td>
        <td>44.3%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.639</td>
    </tr>
    <tr>
        <td>86</td>
        <td>78</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subsets/">子集</a></td>
        <td>76.3%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.272</td>
    </tr>
    <tr>
        <td>87</td>
        <td>31</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-permutation/">下一个排列</a></td>
        <td>32.8%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.304</td>
    </tr>
    <tr>
        <td>88</td>
        <td>69</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sqrtx/">x 的平方根</a></td>
        <td>37.5%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.22</td>
    </tr>
    <tr>
        <td>89</td>
        <td>221</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximal-square/">最大正方形</a></td>
        <td>38.8%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.54</td>
    </tr>
    <tr>
        <td>90</td>
        <td>301</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-invalid-parentheses/">删除无效的括号</a></td>
        <td>45.1%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.288</td>
    </tr>
    <tr>
        <td>91</td>
        <td>336</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-pairs/">回文对</a></td>
        <td>33.0%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.835</td>
    </tr>
    <tr>
        <td>92</td>
        <td>428</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-n-ary-tree/">序列化和反序列化 N
            叉树</a></td>
        <td>62.3%</td>
        <td>困难</td>
        <td>3</td>
        <td>2.978</td>
    </tr>
    <tr>
        <td>93</td>
        <td>772</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator-iii/">基本计算器 III</a></td>
        <td>31.6%</td>
        <td>困难</td>
        <td>3</td>
        <td>2.962</td>
    </tr>
    <tr>
        <td>94</td>
        <td>238</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/product-of-array-except-self/">除自身以外数组的乘积</a></td>
        <td>66.0%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.495</td>
    </tr>
    <tr>
        <td>95</td>
        <td>122</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/">买卖股票的最佳时机
            II</a></td>
        <td>57.3%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.165</td>
    </tr>
    <tr>
        <td>96</td>
        <td>242</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-anagram/">有效的字母异位词</a></td>
        <td>58.3%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.272</td>
    </tr>
    <tr>
        <td>97</td>
        <td>24</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/swap-nodes-in-pairs/">两两交换链表中的节点</a></td>
        <td>64.2%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.197</td>
    </tr>
    <tr>
        <td>98</td>
        <td>28</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-strstr/">实现 strStr()</a></td>
        <td>39.5%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.158</td>
    </tr>
    <tr>
        <td>99</td>
        <td>43</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/multiply-strings/">字符串相乘</a></td>
        <td>41.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.353</td>
    </tr>
    <tr>
        <td>100</td>
        <td>46</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations/">全排列</a></td>
        <td>73.9%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.216</td>
    </tr>
    <tr>
        <td>101</td>
        <td>101</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/symmetric-tree/">对称二叉树</a></td>
        <td>49.9%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.165</td>
    </tr>
    <tr>
        <td>102</td>
        <td>130</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/surrounded-regions/">被围绕的区域</a></td>
        <td>39.0%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.525</td>
    </tr>
    <tr>
        <td>103</td>
        <td>149</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-points-on-a-line/">直线上最多的点数</a></td>
        <td>20.4%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.033</td>
    </tr>
    <tr>
        <td>104</td>
        <td>158</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/read-n-characters-given-read4-ii-call-multiple-times/">用 Read4 读取
            N 个字符 II</a></td>
        <td>56.2%</td>
        <td>困难</td>
        <td>3</td>
        <td>2.536</td>
    </tr>
    <tr>
        <td>105</td>
        <td>198</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/house-robber/">打家劫舍</a></td>
        <td>42.8%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.197</td>
    </tr>
    <tr>
        <td>106</td>
        <td>218</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/the-skyline-problem/">天际线问题</a></td>
        <td>40.3%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.374</td>
    </tr>
    <tr>
        <td>107</td>
        <td>322</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/coin-change/">零钱兑换</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.347</td>
    </tr>
    <tr>
        <td>108</td>
        <td>863</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/all-nodes-distance-k-in-binary-tree/">二叉树中所有距离为 K
            的结点</a></td>
        <td>46.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>1.72</td>
    </tr>
    <tr>
        <td>109</td>
        <td>115</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/distinct-subsequences/">不同的子序列</a></td>
        <td>46.9%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.911</td>
    </tr>
    <tr>
        <td>110</td>
        <td>189</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-array/">旋转数组</a></td>
        <td>40.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.203</td>
    </tr>
    <tr>
        <td>111</td>
        <td>155</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/min-stack/">最小栈</a></td>
        <td>51.4%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.193</td>
    </tr>
    <tr>
        <td>112</td>
        <td>230</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst/">二叉搜索树中第K小的元素</a>
        </td>
        <td>68.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.398</td>
    </tr>
    <tr>
        <td>113</td>
        <td>62</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths/">不同路径</a></td>
        <td>58.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.186</td>
    </tr>
    <tr>
        <td>114</td>
        <td>74</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-a-2d-matrix/">搜索二维矩阵</a></td>
        <td>37.2%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.352</td>
    </tr>
    <tr>
        <td>115</td>
        <td>131</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-partitioning/">分割回文串</a></td>
        <td>65.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.544</td>
    </tr>
    <tr>
        <td>116</td>
        <td>236</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/">二叉树的最近公共祖先</a>
        </td>
        <td>59.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.301</td>
    </tr>
    <tr>
        <td>117</td>
        <td>295</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-median-from-data-stream/">数据流的中位数</a></td>
        <td>42.0%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.831</td>
    </tr>
    <tr>
        <td>118</td>
        <td>362</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-hit-counter/">敲击计数器</a></td>
        <td>69.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.234</td>
    </tr>
    <tr>
        <td>119</td>
        <td>399</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/evaluate-division/">除法求值</a></td>
        <td>53.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.105</td>
    </tr>
    <tr>
        <td>120</td>
        <td>773</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sliding-puzzle/">滑动谜题</a></td>
        <td>57.0%</td>
        <td>困难</td>
        <td>2</td>
        <td>2.104</td>
    </tr>
    <tr>
        <td>121</td>
        <td>780</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reaching-points/">到达终点</a></td>
        <td>27.2%</td>
        <td>困难</td>
        <td>2</td>
        <td>2.398</td>
    </tr>
    <tr>
        <td>122</td>
        <td>417</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pacific-atlantic-water-flow/">太平洋大西洋水流问题</a></td>
        <td>39.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.265</td>
    </tr>
    <tr>
        <td>123</td>
        <td>26</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/">删除排序数组中的重复项</a></td>
        <td>48.4%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.079</td>
    </tr>
    <tr>
        <td>124</td>
        <td>344</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-string/">反转字符串</a></td>
        <td>68.9%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.168</td>
    </tr>
    <tr>
        <td>125</td>
        <td>535</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/encode-and-decode-tinyurl/">TinyURL 的加密与解密</a>
        </td>
        <td>81.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.18</td>
    </tr>
    <tr>
        <td>126</td>
        <td>40</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum-ii/">组合总和 II</a></td>
        <td>59.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.287</td>
    </tr>
    <tr>
        <td>127</td>
        <td>44</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/wildcard-matching/">通配符匹配</a></td>
        <td>26.4%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.466</td>
    </tr>
    <tr>
        <td>128</td>
        <td>97</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/interleaving-string/">交错字符串</a></td>
        <td>38.5%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.785</td>
    </tr>
    <tr>
        <td>129</td>
        <td>251</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-2d-vector/">展开二维向量</a></td>
        <td>51.2%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.224</td>
    </tr>
    <tr>
        <td>130</td>
        <td>346</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/moving-average-from-data-stream/">数据流中的移动平均值</a>
        </td>
        <td>69.6%</td>
        <td>简单</td>
        <td>2</td>
        <td>1.38</td>
    </tr>
    <tr>
        <td>131</td>
        <td>518</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/coin-change-2/">零钱兑换 II</a></td>
        <td>47.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.991</td>
    </tr>
    <tr>
        <td>132</td>
        <td>542</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/01-matrix/">01 矩阵</a></td>
        <td>37.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.856</td>
    </tr>
    <tr>
        <td>133</td>
        <td>679</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/24-game/">24 点游戏</a></td>
        <td>40.8%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.63</td>
    </tr>
    <tr>
        <td>134</td>
        <td>289</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/game-of-life/">生命游戏</a></td>
        <td>68.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.711</td>
    </tr>
    <tr>
        <td>135</td>
        <td>354</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/russian-doll-envelopes/">俄罗斯套娃信封问题</a></td>
        <td>33.3%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.133</td>
    </tr>
    <tr>
        <td>136</td>
        <td>124</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-maximum-path-sum/">二叉树中的最大路径和</a></td>
        <td>39.2%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.423</td>
    </tr>
    <tr>
        <td>137</td>
        <td>8</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/string-to-integer-atoi/">字符串转换整数 (atoi)</a></td>
        <td>19.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.117</td>
    </tr>
    <tr>
        <td>138</td>
        <td>88</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-sorted-array/">合并两个有序数组</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.113</td>
    </tr>
    <tr>
        <td>139</td>
        <td>254</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/factor-combinations/">因子的组合</a></td>
        <td>54.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.062</td>
    </tr>
    <tr>
        <td>140</td>
        <td>290</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-pattern/">单词规律</a></td>
        <td>41.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.506</td>
    </tr>
    <tr>
        <td>141</td>
        <td>692</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-words/">前K个高频单词</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.886</td>
    </tr>
    <tr>
        <td>142</td>
        <td>733</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flood-fill/">图像渲染</a></td>
        <td>52.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.74</td>
    </tr>
    <tr>
        <td>143</td>
        <td>6</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/zigzag-conversion/">Z 字形变换</a></td>
        <td>46.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.138</td>
    </tr>
    <tr>
        <td>144</td>
        <td>16</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum-closest/">最接近的三数之和</a></td>
        <td>42.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.159</td>
    </tr>
    <tr>
        <td>145</td>
        <td>41</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/first-missing-positive/">缺失的第一个正数</a></td>
        <td>37.5%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.294</td>
    </tr>
    <tr>
        <td>146</td>
        <td>51</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens/">N皇后</a></td>
        <td>67.9%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.36</td>
    </tr>
    <tr>
        <td>147</td>
        <td>55</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jump-game/">跳跃游戏</a></td>
        <td>38.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.179</td>
    </tr>
    <tr>
        <td>148</td>
        <td>66</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/plus-one/">加一</a></td>
        <td>42.9%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.113</td>
    </tr>
    <tr>
        <td>149</td>
        <td>98</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/validate-binary-search-tree/">验证二叉搜索树</a></td>
        <td>28.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.161</td>
    </tr>
    <tr>
        <td>150</td>
        <td>102</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal/">二叉树的层次遍历</a>
        </td>
        <td>60.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.148</td>
    </tr>
    <tr>
        <td>151</td>
        <td>118</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pascals-triangle/">杨辉三角</a></td>
        <td>65.6%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.189</td>
    </tr>
    <tr>
        <td>152</td>
        <td>153</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array/">寻找旋转排序数组中的最小值</a>
        </td>
        <td>50.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.318</td>
    </tr>
    <tr>
        <td>153</td>
        <td>157</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/read-n-characters-given-read4/">用 Read4 读取 N
            个字符</a></td>
        <td>51.4%</td>
        <td>简单</td>
        <td>2</td>
        <td>1.647</td>
    </tr>
    <tr>
        <td>154</td>
        <td>361</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bomb-enemy/">轰炸敌人</a></td>
        <td>51.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.134</td>
    </tr>
    <tr>
        <td>155</td>
        <td>388</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-absolute-file-path/">文件的最长绝对路径</a></td>
        <td>43.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.6</td>
    </tr>
    <tr>
        <td>156</td>
        <td>438</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-all-anagrams-in-a-string/">找到字符串中所有字母异位词</a>
        </td>
        <td>40.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.508</td>
    </tr>
    <tr>
        <td>157</td>
        <td>451</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-characters-by-frequency/">根据字符出现频率排序</a></td>
        <td>61.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.571</td>
    </tr>
    <tr>
        <td>158</td>
        <td>560</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subarray-sum-equals-k/">和为K的子数组</a></td>
        <td>43.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.501</td>
    </tr>
    <tr>
        <td>159</td>
        <td>567</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutation-in-string/">字符串的排列</a></td>
        <td>33.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.577</td>
    </tr>
    <tr>
        <td>160</td>
        <td>647</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindromic-substrings/">回文子串</a></td>
        <td>60.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.469</td>
    </tr>
    <tr>
        <td>161</td>
        <td>695</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-area-of-island/">岛屿的最大面积</a></td>
        <td>59.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.5</td>
    </tr>
    <tr>
        <td>162</td>
        <td>93</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/restore-ip-addresses/">复原IP地址</a></td>
        <td>45.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.406</td>
    </tr>
    <tr>
        <td>163</td>
        <td>108</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree/">将有序数组转换为二叉搜索树</a>
        </td>
        <td>69.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.211</td>
    </tr>
    <tr>
        <td>164</td>
        <td>315</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self/">计算右侧小于当前元素的个数</a>
        </td>
        <td>37.2%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.641</td>
    </tr>
    <tr>
        <td>165</td>
        <td>1281</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer/">整数的各位积和之差</a>
        </td>
        <td>81.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.336</td>
    </tr>
    <tr>
        <td>166</td>
        <td>205</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/isomorphic-strings/">同构字符串</a></td>
        <td>47.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.363</td>
    </tr>
    <tr>
        <td>167</td>
        <td>545</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/boundary-of-binary-tree/">二叉树的边界</a></td>
        <td>34.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.172</td>
    </tr>
    <tr>
        <td>168</td>
        <td>9</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-number/">回文数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>169</td>
        <td>175</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combine-two-tables/">组合两个表</a></td>
        <td>71.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.154</td>
    </tr>
    <tr>
        <td>170</td>
        <td>337</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/house-robber-iii/">打家劫舍 III</a></td>
        <td>55.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.391</td>
    </tr>
    <tr>
        <td>171</td>
        <td>125</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-palindrome/">验证回文串</a></td>
        <td>42.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.149</td>
    </tr>
    <tr>
        <td>172</td>
        <td>59</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix-ii/">螺旋矩阵 II</a></td>
        <td>76.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.307</td>
    </tr>
    <tr>
        <td>173</td>
        <td>235</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree/">二叉搜索树的最近公共祖先</a>
        </td>
        <td>62.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.254</td>
    </tr>
    <tr>
        <td>174</td>
        <td>244</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-word-distance-ii/">最短单词距离 II</a></td>
        <td>47.2%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.726</td>
    </tr>
    <tr>
        <td>175</td>
        <td>252</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/meeting-rooms/">会议室</a></td>
        <td>51.7%</td>
        <td>简单</td>
        <td>2</td>
        <td>1.175</td>
    </tr>
    <tr>
        <td>176</td>
        <td>348</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-tic-tac-toe/">判定井字棋胜负</a></td>
        <td>56.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.553</td>
    </tr>
    <tr>
        <td>177</td>
        <td>353</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-snake-game/">贪吃蛇</a></td>
        <td>39.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.584</td>
    </tr>
    <tr>
        <td>178</td>
        <td>449</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-bst/">序列化和反序列化二叉搜索树</a>
        </td>
        <td>50.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.085</td>
    </tr>
    <tr>
        <td>179</td>
        <td>493</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-pairs/">翻转对</a></td>
        <td>22.4%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.036</td>
    </tr>
    <tr>
        <td>180</td>
        <td>640</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/solve-the-equation/">求解方程</a></td>
        <td>40.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.921</td>
    </tr>
    <tr>
        <td>181</td>
        <td>759</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/employee-free-time/">员工空闲时间</a></td>
        <td>56.5%</td>
        <td>困难</td>
        <td>2</td>
        <td>2.846</td>
    </tr>
    <tr>
        <td>182</td>
        <td>767</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reorganize-string/">重构字符串</a></td>
        <td>38.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.023</td>
    </tr>
    <tr>
        <td>183</td>
        <td>706</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-hashmap/">设计哈希映射</a></td>
        <td>55.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.74</td>
    </tr>
    <tr>
        <td>184</td>
        <td>973</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/k-closest-points-to-origin/">最接近原点的 K 个点</a></td>
        <td>57.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.632</td>
    </tr>
    <tr>
        <td>185</td>
        <td>215</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-largest-element-in-an-array/">数组中的第K个最大元素</a>
        </td>
        <td>60.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.144</td>
    </tr>
    <tr>
        <td>186</td>
        <td>167</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted/">两数之和 II -
            输入有序数组</a></td>
        <td>52.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.137</td>
    </tr>
    <tr>
        <td>187</td>
        <td>311</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sparse-matrix-multiplication/">稀疏矩阵的乘法</a></td>
        <td>73.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.037</td>
    </tr>
    <tr>
        <td>188</td>
        <td>12</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-to-roman/">整数转罗马数字</a></td>
        <td>62.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.13</td>
    </tr>
    <tr>
        <td>189</td>
        <td>47</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations-ii/">全排列 II</a></td>
        <td>56.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.2</td>
    </tr>
    <tr>
        <td>190</td>
        <td>67</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-binary/">二进制求和</a></td>
        <td>52.2%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.133</td>
    </tr>
    <tr>
        <td>191</td>
        <td>104</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/">二叉树的最大深度</a></td>
        <td>72.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.074</td>
    </tr>
    <tr>
        <td>192</td>
        <td>169</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element/">多数元素</a></td>
        <td>61.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.103</td>
    </tr>
    <tr>
        <td>193</td>
        <td>234</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-linked-list/">回文链表</a></td>
        <td>40.2%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.136</td>
    </tr>
    <tr>
        <td>194</td>
        <td>83</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/">删除排序链表中的重复元素</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.117</td>
    </tr>
    <tr>
        <td>195</td>
        <td>232</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-queue-using-stacks/">用栈实现队列</a></td>
        <td>62.6%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.201</td>
    </tr>
    <tr>
        <td>196</td>
        <td>161</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/one-edit-distance/">相隔为 1 的编辑距离</a></td>
        <td>31.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.301</td>
    </tr>
    <tr>
        <td>197</td>
        <td>249</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/group-shifted-strings/">移位字符串分组</a></td>
        <td>58.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.677</td>
    </tr>
    <tr>
        <td>198</td>
        <td>450</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-node-in-a-bst/">删除二叉搜索树中的节点</a></td>
        <td>37.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.605</td>
    </tr>
    <tr>
        <td>199</td>
        <td>50</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/powx-n/">Pow(x, n)</a></td>
        <td>33.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.148</td>
    </tr>
    <tr>
        <td>200</td>
        <td>64</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-path-sum/">最小路径和</a></td>
        <td>64.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.124</td>
    </tr>
    <tr>
        <td>201</td>
        <td>136</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number/">只出现一次的数字</a></td>
        <td>65.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.079</td>
    </tr>
    <tr>
        <td>202</td>
        <td>150</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/evaluate-reverse-polish-notation/">逆波兰表达式求值</a>
        </td>
        <td>49.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.248</td>
    </tr>
    <tr>
        <td>203</td>
        <td>154</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array-ii/">寻找旋转排序数组中的最小值
            II</a></td>
        <td>46.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.456</td>
    </tr>
    <tr>
        <td>204</td>
        <td>160</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-linked-lists/">相交链表</a></td>
        <td>52.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.113</td>
    </tr>
    <tr>
        <td>205</td>
        <td>162</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-peak-element/">寻找峰值</a></td>
        <td>44.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.267</td>
    </tr>
    <tr>
        <td>206</td>
        <td>199</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-right-side-view/">二叉树的右视图</a></td>
        <td>63.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.307</td>
    </tr>
    <tr>
        <td>207</td>
        <td>204</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-primes/">计数质数</a></td>
        <td>32.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.212</td>
    </tr>
    <tr>
        <td>208</td>
        <td>211</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-and-search-word-data-structure-design/">添加与搜索单词
            - 数据结构设计</a></td>
        <td>42.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.655</td>
    </tr>
    <tr>
        <td>209</td>
        <td>229</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element-ii/">求众数 II</a></td>
        <td>42.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.588</td>
    </tr>
    <tr>
        <td>210</td>
        <td>243</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-word-distance/">最短单词距离</a></td>
        <td>63.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>1.158</td>
    </tr>
    <tr>
        <td>211</td>
        <td>282</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/expression-add-operators/">给表达式添加运算符</a></td>
        <td>32.0%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.354</td>
    </tr>
    <tr>
        <td>212</td>
        <td>287</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-duplicate-number/">寻找重复数</a></td>
        <td>62.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.209</td>
    </tr>
    <tr>
        <td>213</td>
        <td>300</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-increasing-subsequence/">最长上升子序列</a></td>
        <td>43.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.173</td>
    </tr>
    <tr>
        <td>214</td>
        <td>340</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/longest-substring-with-at-most-k-distinct-characters/">至多包含 K
            个不同字符的最长子串</a></td>
        <td>46.0%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.342</td>
    </tr>
    <tr>
        <td>215</td>
        <td>365</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/water-and-jug-problem/">水壶问题</a></td>
        <td>29.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.906</td>
    </tr>
    <tr>
        <td>216</td>
        <td>378</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix/">有序矩阵中第K小的元素</a>
        </td>
        <td>57.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.46</td>
    </tr>
    <tr>
        <td>217</td>
        <td>416</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-equal-subset-sum/">分割等和子集</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.386</td>
    </tr>
    <tr>
        <td>218</td>
        <td>652</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-duplicate-subtrees/">寻找重复的子树</a></td>
        <td>51.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.949</td>
    </tr>
    <tr>
        <td>219</td>
        <td>430</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-a-multilevel-doubly-linked-list/">扁平化多级双向链表</a>
        </td>
        <td>45.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.757</td>
    </tr>
    <tr>
        <td>220</td>
        <td>815</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bus-routes/">公交路线</a></td>
        <td>30.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.482</td>
    </tr>
    <tr>
        <td>221</td>
        <td>895</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-frequency-stack/">最大频率栈</a></td>
        <td>45.6%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.759</td>
    </tr>
    <tr>
        <td>222</td>
        <td>176</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/second-highest-salary/">第二高的薪水</a></td>
        <td>33.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.162</td>
    </tr>
    <tr>
        <td>223</td>
        <td>237</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-node-in-a-linked-list/">删除链表中的节点</a></td>
        <td>79.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.126</td>
    </tr>
    <tr>
        <td>224</td>
        <td>392</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/is-subsequence/">判断子序列</a></td>
        <td>47.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.234</td>
    </tr>
    <tr>
        <td>225</td>
        <td>448</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-all-numbers-disappeared-in-an-array/">找到所有数组中消失的数字</a>
        </td>
        <td>56.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.249</td>
    </tr>
    <tr>
        <td>226</td>
        <td>19</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/">删除链表的倒数第N个节点</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>227</td>
        <td>35</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-insert-position/">搜索插入位置</a></td>
        <td>45.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.064</td>
    </tr>
    <tr>
        <td>228</td>
        <td>45</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jump-game-ii/">跳跃游戏 II</a></td>
        <td>33.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.192</td>
    </tr>
    <tr>
        <td>229</td>
        <td>48</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-image/">旋转图像</a></td>
        <td>66.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.121</td>
    </tr>
    <tr>
        <td>230</td>
        <td>92</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list-ii/">反转链表 II</a></td>
        <td>48.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.169</td>
    </tr>
    <tr>
        <td>231</td>
        <td>141</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle/">环形链表</a></td>
        <td>46.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.067</td>
    </tr>
    <tr>
        <td>232</td>
        <td>192</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-frequency/">统计词频</a></td>
        <td>33.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.737</td>
    </tr>
    <tr>
        <td>233</td>
        <td>202</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/happy-number/">快乐数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.156</td>
    </tr>
    <tr>
        <td>234</td>
        <td>771</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jewels-and-stones/">宝石与石头</a></td>
        <td>81.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.214</td>
    </tr>
    <tr>
        <td>235</td>
        <td>509</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fibonacci-number/">斐波那契数</a></td>
        <td>66.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.169</td>
    </tr>
    <tr>
        <td>236</td>
        <td>186</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string-ii/">翻转字符串里的单词 II</a>
        </td>
        <td>71.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.027</td>
    </tr>
    <tr>
        <td>237</td>
        <td>432</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/all-oone-data-structure/">全 O(1) 的数据结构</a></td>
        <td>34.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.4</td>
    </tr>
    <tr>
        <td>238</td>
        <td>14</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-common-prefix/">最长公共前缀</a></td>
        <td>36.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.048</td>
    </tr>
    <tr>
        <td>239</td>
        <td>25</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-nodes-in-k-group/">K 个一组翻转链表</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.168</td>
    </tr>
    <tr>
        <td>240</td>
        <td>38</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-and-say/">外观数列</a></td>
        <td>54.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.104</td>
    </tr>
    <tr>
        <td>241</td>
        <td>65</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-number/">有效数字</a></td>
        <td>17.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.516</td>
    </tr>
    <tr>
        <td>242</td>
        <td>72</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/edit-distance/">编辑距离</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.18</td>
    </tr>
    <tr>
        <td>243</td>
        <td>114</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list/">二叉树展开为链表</a>
        </td>
        <td>67.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.182</td>
    </tr>
    <tr>
        <td>244</td>
        <td>135</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/candy/">分发糖果</a></td>
        <td>41.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.375</td>
    </tr>
    <tr>
        <td>245</td>
        <td>268</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/missing-number/">缺失数字</a></td>
        <td>54.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.158</td>
    </tr>
    <tr>
        <td>246</td>
        <td>278</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/first-bad-version/">第一个错误的版本</a></td>
        <td>36.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.197</td>
    </tr>
    <tr>
        <td>247</td>
        <td>308</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-2d-mutable/">二维区域和检索 - 可变</a></td>
        <td>55.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.995</td>
    </tr>
    <tr>
        <td>248</td>
        <td>317</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/shortest-distance-from-all-buildings/">离建筑物最近的距离</a></td>
        <td>43.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.892</td>
    </tr>
    <tr>
        <td>249</td>
        <td>437</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/path-sum-iii/">路径总和 III</a></td>
        <td>53.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.224</td>
    </tr>
    <tr>
        <td>250</td>
        <td>445</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers-ii/">两数相加 II</a></td>
        <td>53.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.309</td>
    </tr>
    <tr>
        <td>251</td>
        <td>460</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lfu-cache/">LFU缓存</a></td>
        <td>33.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.214</td>
    </tr>
    <tr>
        <td>252</td>
        <td>490</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/the-maze/">迷宫</a></td>
        <td>44.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.479</td>
    </tr>
    <tr>
        <td>253</td>
        <td>547</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/friend-circles/">朋友圈</a></td>
        <td>54.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.275</td>
    </tr>
    <tr>
        <td>254</td>
        <td>552</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/student-attendance-record-ii/">学生出勤记录 II</a></td>
        <td>38.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.304</td>
    </tr>
    <tr>
        <td>255</td>
        <td>668</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-smallest-number-in-multiplication-table/">乘法表中第k小的数</a>
        </td>
        <td>44.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.441</td>
    </tr>
    <tr>
        <td>256</td>
        <td>694</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-distinct-islands/">不同岛屿的数量</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.824</td>
    </tr>
    <tr>
        <td>257</td>
        <td>722</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-comments/">删除注释</a></td>
        <td>27.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.202</td>
    </tr>
    <tr>
        <td>258</td>
        <td>739</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/daily-temperatures/">每日温度</a></td>
        <td>58.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.202</td>
    </tr>
    <tr>
        <td>259</td>
        <td>757</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/set-intersection-size-at-least-two/">设置交集大小至少为2</a></td>
        <td>33.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>2.097</td>
    </tr>
    <tr>
        <td>260</td>
        <td>144</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-preorder-traversal/">二叉树的前序遍历</a></td>
        <td>64.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.11</td>
    </tr>
    <tr>
        <td>261</td>
        <td>936</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/stamping-the-sequence/">戳印序列</a></td>
        <td>30.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>2.18</td>
    </tr>
    <tr>
        <td>262</td>
        <td>120</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/triangle/">三角形最小路径和</a></td>
        <td>63.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.161</td>
    </tr>
    <tr>
        <td>263</td>
        <td>526</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/beautiful-arrangement/">优美的排列</a></td>
        <td>59.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.036</td>
    </tr>
    <tr>
        <td>264</td>
        <td>680</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-palindrome-ii/">验证回文字符串 Ⅱ</a></td>
        <td>35.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.294</td>
    </tr>
    <tr>
        <td>265</td>
        <td>148</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-list/">排序链表</a></td>
        <td>63.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.123</td>
    </tr>
    <tr>
        <td>266</td>
        <td>349</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-arrays/">两个数组的交集</a></td>
        <td>68.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.117</td>
    </tr>
    <tr>
        <td>267</td>
        <td>601</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/human-traffic-of-stadium/">体育馆的人流量</a></td>
        <td>44.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.683</td>
    </tr>
    <tr>
        <td>268</td>
        <td>197</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rising-temperature/">上升的温度</a></td>
        <td>49.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.255</td>
    </tr>
    <tr>
        <td>269</td>
        <td>264</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ugly-number-ii/">丑数 II</a></td>
        <td>49.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.221</td>
    </tr>
    <tr>
        <td>270</td>
        <td>171</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/excel-sheet-column-number/">Excel表列序号</a></td>
        <td>66.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.162</td>
    </tr>
    <tr>
        <td>271</td>
        <td>266</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-permutation/">回文排列</a></td>
        <td>62.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.96</td>
    </tr>
    <tr>
        <td>272</td>
        <td>373</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-k-pairs-with-smallest-sums/">查找和最小的K对数字</a>
        </td>
        <td>40.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.61</td>
    </tr>
    <tr>
        <td>273</td>
        <td>735</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/asteroid-collision/">行星碰撞</a></td>
        <td>37.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.66</td>
    </tr>
    <tr>
        <td>274</td>
        <td>710</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/random-pick-with-blacklist/">黑名单中的随机数</a></td>
        <td>28.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.599</td>
    </tr>
    <tr>
        <td>275</td>
        <td>1064</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fixed-point/">不动点</a></td>
        <td>71.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>1.401</td>
    </tr>
    <tr>
        <td>276</td>
        <td>1039</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-score-triangulation-of-polygon/">多边形三角剖分的最低得分</a>
        </td>
        <td>47.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.665</td>
    </tr>
    <tr>
        <td>277</td>
        <td>73</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/set-matrix-zeroes/">矩阵置零</a></td>
        <td>55.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.163</td>
    </tr>
    <tr>
        <td>278</td>
        <td>94</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-inorder-traversal/">二叉树的中序遍历</a></td>
        <td>70.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>279</td>
        <td>152</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-product-subarray/">乘积最大子序列</a></td>
        <td>37.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.119</td>
    </tr>
    <tr>
        <td>280</td>
        <td>177</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nth-highest-salary/">第N高的薪水</a></td>
        <td>43.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.196</td>
    </tr>
    <tr>
        <td>281</td>
        <td>245</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-word-distance-iii/">最短单词距离 III</a></td>
        <td>63.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.218</td>
    </tr>
    <tr>
        <td>282</td>
        <td>338</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/counting-bits/">比特位计数</a></td>
        <td>74.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.174</td>
    </tr>
    <tr>
        <td>283</td>
        <td>342</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/power-of-four/">4的幂</a></td>
        <td>47.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.246</td>
    </tr>
    <tr>
        <td>284</td>
        <td>350</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-arrays-ii/">两个数组的交集 II</a>
        </td>
        <td>46.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.107</td>
    </tr>
    <tr>
        <td>285</td>
        <td>377</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum-iv/">组合总和 Ⅳ</a></td>
        <td>41.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.417</td>
    </tr>
    <tr>
        <td>286</td>
        <td>387</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/first-unique-character-in-a-string/">字符串中的第一个唯一字符</a></td>
        <td>43.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.118</td>
    </tr>
    <tr>
        <td>287</td>
        <td>395</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/longest-substring-with-at-least-k-repeating-characters/">至少有K个重复字符的最长子串</a>
        </td>
        <td>41.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.5</td>
    </tr>
    <tr>
        <td>288</td>
        <td>415</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-strings/">字符串相加</a></td>
        <td>49.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.197</td>
    </tr>
    <tr>
        <td>289</td>
        <td>418</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sentence-screen-fitting/">屏幕可显示句子的数量</a></td>
        <td>32.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.578</td>
    </tr>
    <tr>
        <td>290</td>
        <td>420</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/strong-password-checker/">强密码检验器</a></td>
        <td>14.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.417</td>
    </tr>
    <tr>
        <td>291</td>
        <td>468</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/validate-ip-address/">验证IP地址</a></td>
        <td>21.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.587</td>
    </tr>
    <tr>
        <td>292</td>
        <td>486</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/predict-the-winner/">预测赢家</a></td>
        <td>50.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.661</td>
    </tr>
    <tr>
        <td>293</td>
        <td>591</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/tag-validator/">标签验证器</a></td>
        <td>29.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>2.018</td>
    </tr>
    <tr>
        <td>294</td>
        <td>646</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-length-of-pair-chain/">最长数对链</a></td>
        <td>52.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.661</td>
    </tr>
    <tr>
        <td>295</td>
        <td>651</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/4-keys-keyboard/">4键键盘</a></td>
        <td>57.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.738</td>
    </tr>
    <tr>
        <td>296</td>
        <td>791</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/custom-sort-string/">自定义字符串排序</a></td>
        <td>65.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.749</td>
    </tr>
    <tr>
        <td>297</td>
        <td>844</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/backspace-string-compare/">比较含退格的字符串</a></td>
        <td>50.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.298</td>
    </tr>
    <tr>
        <td>298</td>
        <td>855</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/exam-room/">考场就座</a></td>
        <td>30.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.529</td>
    </tr>
    <tr>
        <td>299</td>
        <td>889</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal/">根据前序和后序遍历构造二叉树</a>
        </td>
        <td>61.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.96</td>
    </tr>
    <tr>
        <td>300</td>
        <td>934</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-bridge/">最短的桥</a></td>
        <td>42.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.935</td>
    </tr>
    <tr>
        <td>301</td>
        <td>1011</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/capacity-to-ship-packages-within-d-days/">在 D
            天内送达包裹的能力</a></td>
        <td>50.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.981</td>
    </tr>
    <tr>
        <td>302</td>
        <td>1019</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-greater-node-in-linked-list/">链表中的下一个更大节点</a>
        </td>
        <td>50.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.556</td>
    </tr>
    <tr>
        <td>303</td>
        <td>103</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/">二叉树的锯齿形层次遍历</a>
        </td>
        <td>53.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.128</td>
    </tr>
    <tr>
        <td>304</td>
        <td>116</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node/">填充每个节点的下一个右侧节点指针</a>
        </td>
        <td>53.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.211</td>
    </tr>
    <tr>
        <td>305</td>
        <td>231</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/power-of-two/">2的幂</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.132</td>
    </tr>
    <tr>
        <td>306</td>
        <td>384</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shuffle-an-array/">打乱数组</a></td>
        <td>49.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.343</td>
    </tr>
    <tr>
        <td>307</td>
        <td>412</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fizz-buzz/">Fizz Buzz</a></td>
        <td>62.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.197</td>
    </tr>
    <tr>
        <td>308</td>
        <td>568</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-vacation-days/">最大休假天数</a></td>
        <td>45.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>2.259</td>
    </tr>
    <tr>
        <td>309</td>
        <td>981</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/time-based-key-value-store/">基于时间的键值存储</a></td>
        <td>35.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.309</td>
    </tr>
    <tr>
        <td>310</td>
        <td>752</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/open-the-lock/">打开转盘锁</a></td>
        <td>48.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.508</td>
    </tr>
    <tr>
        <td>311</td>
        <td>540</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-element-in-a-sorted-array/">有序数组中的单一元素</a>
        </td>
        <td>60.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.49</td>
    </tr>
    <tr>
        <td>312</td>
        <td>81</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-in-rotated-sorted-array-ii/">搜索旋转排序数组
            II</a></td>
        <td>34.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.205</td>
    </tr>
    <tr>
        <td>313</td>
        <td>96</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-binary-search-trees/">不同的二叉搜索树</a></td>
        <td>64.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.125</td>
    </tr>
    <tr>
        <td>314</td>
        <td>174</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/dungeon-game/">地下城游戏</a></td>
        <td>39.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.5</td>
    </tr>
    <tr>
        <td>315</td>
        <td>209</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-size-subarray-sum/">长度最小的子数组</a></td>
        <td>41.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.169</td>
    </tr>
    <tr>
        <td>316</td>
        <td>217</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate/">存在重复元素</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.068</td>
    </tr>
    <tr>
        <td>317</td>
        <td>219</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate-ii/">存在重复元素 II</a></td>
        <td>37.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.134</td>
    </tr>
    <tr>
        <td>318</td>
        <td>296</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-meeting-point/">最佳的碰头地点</a></td>
        <td>62.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.792</td>
    </tr>
    <tr>
        <td>319</td>
        <td>334</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/increasing-triplet-subsequence/">递增的三元子序列</a></td>
        <td>36.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.345</td>
    </tr>
    <tr>
        <td>320</td>
        <td>383</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ransom-note/">赎金信</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.224</td>
    </tr>
    <tr>
        <td>321</td>
        <td>414</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/third-maximum-number/">第三大的数</a></td>
        <td>34.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.186</td>
    </tr>
    <tr>
        <td>322</td>
        <td>746</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/min-cost-climbing-stairs/">使用最小花费爬楼梯</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.209</td>
    </tr>
    <tr>
        <td>323</td>
        <td>1334</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance/">阈值距离内邻居最少的城市</a>
        </td>
        <td>43.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.357</td>
    </tr>
    <tr>
        <td>324</td>
        <td>112</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/path-sum/">路径总和</a></td>
        <td>48.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.06</td>
    </tr>
    <tr>
        <td>325</td>
        <td>134</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/gas-station/">加油站</a></td>
        <td>50.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.128</td>
    </tr>
    <tr>
        <td>326</td>
        <td>180</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/consecutive-numbers/">连续出现的数字</a></td>
        <td>48.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.198</td>
    </tr>
    <tr>
        <td>327</td>
        <td>402</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-k-digits/">移掉K位数字</a></td>
        <td>27.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.234</td>
    </tr>
    <tr>
        <td>328</td>
        <td>496</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-greater-element-i/">下一个更大元素 I</a></td>
        <td>62.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.156</td>
    </tr>
    <tr>
        <td>329</td>
        <td>595</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/big-countries/">大的国家</a></td>
        <td>76.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.146</td>
    </tr>
    <tr>
        <td>330</td>
        <td>704</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-search/">二分查找</a></td>
        <td>52.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.122</td>
    </tr>
    <tr>
        <td>331</td>
        <td>876</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/middle-of-the-linked-list/">链表的中间结点</a></td>
        <td>64.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.126</td>
    </tr>
    <tr>
        <td>332</td>
        <td>628</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-product-of-three-numbers/">三个数的最大乘积</a>
        </td>
        <td>48.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.225</td>
    </tr>
    <tr>
        <td>333</td>
        <td>561</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/array-partition-i/">数组拆分 I</a></td>
        <td>69.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.134</td>
    </tr>
    <tr>
        <td>334</td>
        <td>516</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-subsequence/">最长回文子序列</a></td>
        <td>49.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.237</td>
    </tr>
    <tr>
        <td>335</td>
        <td>648</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/replace-words/">单词替换</a></td>
        <td>53.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.504</td>
    </tr>
    <tr>
        <td>336</td>
        <td>699</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/falling-squares/">掉落的方块</a></td>
        <td>38.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.339</td>
    </tr>
    <tr>
        <td>337</td>
        <td>827</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/making-a-large-island/">最大人工岛</a></td>
        <td>39.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.28</td>
    </tr>
    <tr>
        <td>338</td>
        <td>959</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/regions-cut-by-slashes/">由斜杠划分区域</a></td>
        <td>64.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.96</td>
    </tr>
    <tr>
        <td>339</td>
        <td>18</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/4sum/">四数之和</a></td>
        <td>37.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.063</td>
    </tr>
    <tr>
        <td>340</td>
        <td>52</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens-ii/">N皇后 II</a></td>
        <td>77.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.17</td>
    </tr>
    <tr>
        <td>341</td>
        <td>71</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/simplify-path/">简化路径</a></td>
        <td>38.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.102</td>
    </tr>
    <tr>
        <td>342</td>
        <td>87</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/scramble-string/">扰乱字符串</a></td>
        <td>44.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.376</td>
    </tr>
    <tr>
        <td>343</td>
        <td>117</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii/">填充每个节点的下一个右侧节点指针
            II</a></td>
        <td>44.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.191</td>
    </tr>
    <tr>
        <td>344</td>
        <td>145</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-postorder-traversal/">二叉树的后序遍历</a>
        </td>
        <td>70.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.073</td>
    </tr>
    <tr>
        <td>345</td>
        <td>187</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/repeated-dna-sequences/">重复的DNA序列</a></td>
        <td>43.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.25</td>
    </tr>
    <tr>
        <td>346</td>
        <td>196</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-duplicate-emails/">删除重复的电子邮箱</a></td>
        <td>59.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.167</td>
    </tr>
    <tr>
        <td>347</td>
        <td>203</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-linked-list-elements/">移除链表元素</a></td>
        <td>43.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.066</td>
    </tr>
    <tr>
        <td>348</td>
        <td>220</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate-iii/">存在重复元素 III</a></td>
        <td>25.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.202</td>
    </tr>
    <tr>
        <td>349</td>
        <td>255</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/verify-preorder-sequence-in-binary-search-tree/">验证前序遍历序列二叉搜索树</a>
        </td>
        <td>46.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.971</td>
    </tr>
    <tr>
        <td>350</td>
        <td>258</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-digits/">各位相加</a></td>
        <td>65.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.131</td>
    </tr>
    <tr>
        <td>351</td>
        <td>261</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/graph-valid-tree/">以图判树</a></td>
        <td>44.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.922</td>
    </tr>
    <tr>
        <td>352</td>
        <td>265</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/paint-house-ii/">粉刷房子 II</a></td>
        <td>51.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.042</td>
    </tr>
    <tr>
        <td>353</td>
        <td>298</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-longest-consecutive-sequence/">二叉树最长连续序列</a>
        </td>
        <td>54.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.965</td>
    </tr>
    <tr>
        <td>354</td>
        <td>302</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/smallest-rectangle-enclosing-black-pixels/">包含全部黑色像素的最小矩形</a>
        </td>
        <td>69.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.534</td>
    </tr>
    <tr>
        <td>355</td>
        <td>309</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/">最佳买卖股票时机含冷冻期</a>
        </td>
        <td>51.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.141</td>
    </tr>
    <tr>
        <td>356</td>
        <td>312</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/burst-balloons/">戳气球</a></td>
        <td>57.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.307</td>
    </tr>
    <tr>
        <td>357</td>
        <td>323</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/number-of-connected-components-in-an-undirected-graph/">无向图中连通分量的数目</a>
        </td>
        <td>54.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.991</td>
    </tr>
    <tr>
        <td>358</td>
        <td>339</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nested-list-weight-sum/">嵌套列表权重和</a></td>
        <td>79.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.887</td>
    </tr>
    <tr>
        <td>359</td>
        <td>352</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/data-stream-as-disjoint-intervals/">将数据流变为多个不相交区间</a></td>
        <td>51.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.194</td>
    </tr>
    <tr>
        <td>360</td>
        <td>376</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/wiggle-subsequence/">摆动序列</a></td>
        <td>41.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.23</td>
    </tr>
    <tr>
        <td>361</td>
        <td>391</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/perfect-rectangle/">完美矩形</a></td>
        <td>24.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.105</td>
    </tr>
    <tr>
        <td>362</td>
        <td>398</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/random-pick-index/">随机数索引</a></td>
        <td>58.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.566</td>
    </tr>
    <tr>
        <td>363</td>
        <td>400</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nth-digit/">第N个数字</a></td>
        <td>34.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.502</td>
    </tr>
    <tr>
        <td>364</td>
        <td>442</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-all-duplicates-in-an-array/">数组中重复的数据</a>
        </td>
        <td>63.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.253</td>
    </tr>
    <tr>
        <td>365</td>
        <td>480</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sliding-window-median/">滑动窗口中位数</a></td>
        <td>32.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.727</td>
    </tr>
    <tr>
        <td>366</td>
        <td>536</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/construct-binary-tree-from-string/">从字符串生成二叉树</a>
        </td>
        <td>49.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.28</td>
    </tr>
    <tr>
        <td>367</td>
        <td>606</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/construct-string-from-binary-tree/">根据二叉树创建字符串</a>
        </td>
        <td>52.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.31</td>
    </tr>
    <tr>
        <td>368</td>
        <td>611</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-triangle-number/">有效三角形的个数</a></td>
        <td>48.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.545</td>
    </tr>
    <tr>
        <td>369</td>
        <td>662</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-width-of-binary-tree/">二叉树最大宽度</a></td>
        <td>35.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.47</td>
    </tr>
    <tr>
        <td>370</td>
        <td>670</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-swap/">最大交换</a></td>
        <td>38.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.538</td>
    </tr>
    <tr>
        <td>371</td>
        <td>671</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/second-minimum-node-in-a-binary-tree/">二叉树中第二小的节点</a></td>
        <td>45.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.305</td>
    </tr>
    <tr>
        <td>372</td>
        <td>681</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-closest-time/">最近时刻</a></td>
        <td>46.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.17</td>
    </tr>
    <tr>
        <td>373</td>
        <td>697</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/degree-of-an-array/">数组的度</a></td>
        <td>51.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.236</td>
    </tr>
    <tr>
        <td>374</td>
        <td>713</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subarray-product-less-than-k/">乘积小于K的子数组</a></td>
        <td>34.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.497</td>
    </tr>
    <tr>
        <td>375</td>
        <td>714</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee/">买卖股票的最佳时机含手续费</a>
        </td>
        <td>61.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.203</td>
    </tr>
    <tr>
        <td>376</td>
        <td>721</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/accounts-merge/">账户合并</a></td>
        <td>31.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.708</td>
    </tr>
    <tr>
        <td>377</td>
        <td>740</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-and-earn/">删除与获得点数</a></td>
        <td>50.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.775</td>
    </tr>
    <tr>
        <td>378</td>
        <td>747</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-number-at-least-twice-of-others/">至少是其他数字两倍的最大数</a>
        </td>
        <td>39.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.159</td>
    </tr>
    <tr>
        <td>379</td>
        <td>764</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-plus-sign/">最大加号标志</a></td>
        <td>46.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.079</td>
    </tr>
    <tr>
        <td>380</td>
        <td>766</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/toeplitz-matrix/">托普利茨矩阵</a></td>
        <td>63.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.297</td>
    </tr>
    <tr>
        <td>381</td>
        <td>769</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-chunks-to-make-sorted/">最多能完成排序的块</a></td>
        <td>53.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.59</td>
    </tr>
    <tr>
        <td>382</td>
        <td>805</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/split-array-with-same-average/">数组的均值分割</a></td>
        <td>24.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.609</td>
    </tr>
    <tr>
        <td>383</td>
        <td>829</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/consecutive-numbers-sum/">连续整数求和</a></td>
        <td>30.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.73</td>
    </tr>
    <tr>
        <td>384</td>
        <td>837</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/new-21-game/">新21点</a></td>
        <td>25.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.17</td>
    </tr>
    <tr>
        <td>385</td>
        <td>909</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/snakes-and-ladders/">蛇梯棋</a></td>
        <td>29.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.092</td>
    </tr>
    <tr>
        <td>386</td>
        <td>921</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/minimum-add-to-make-parentheses-valid/">使括号有效的最少添加</a></td>
        <td>70.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.385</td>
    </tr>
    <tr>
        <td>387</td>
        <td>935</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/knight-dialer/">骑士拨号器</a></td>
        <td>40.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.079</td>
    </tr>
    <tr>
        <td>388</td>
        <td>954</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/array-of-doubled-pairs/">二倍数对数组</a></td>
        <td>26.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.797</td>
    </tr>
    <tr>
        <td>389</td>
        <td>967</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/numbers-with-same-consecutive-differences/">连续差相同的数字</a>
        </td>
        <td>34.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.025</td>
    </tr>
    <tr>
        <td>390</td>
        <td>969</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pancake-sorting/">煎饼排序</a></td>
        <td>62.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.671</td>
    </tr>
    <tr>
        <td>391</td>
        <td>983</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-cost-for-tickets/">最低票价</a></td>
        <td>56.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.593</td>
    </tr>
    <tr>
        <td>392</td>
        <td>1091</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-path-in-binary-matrix/">二进制矩阵中的最短路径</a>
        </td>
        <td>28.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.481</td>
    </tr>
    <tr>
        <td>393</td>
        <td>1108</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/defanging-an-ip-address/">IP 地址无效化</a></td>
        <td>81.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.131</td>
    </tr>
    <tr>
        <td>394</td>
        <td>151</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string/">翻转字符串里的单词</a></td>
        <td>35.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.108</td>
    </tr>
    <tr>
        <td>395</td>
        <td>226</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/invert-binary-tree/">翻转二叉树</a></td>
        <td>73.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>396</td>
        <td>459</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/repeated-substring-pattern/">重复的子字符串</a></td>
        <td>45.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.229</td>
    </tr>
    <tr>
        <td>397</td>
        <td>461</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/hamming-distance/">汉明距离</a></td>
        <td>74.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.091</td>
    </tr>
    <tr>
        <td>398</td>
        <td>698</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-to-k-equal-sum-subsets/">划分为k个相等的子集</a>
        </td>
        <td>40.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.369</td>
    </tr>
    <tr>
        <td>399</td>
        <td>711</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-distinct-islands-ii/">不同岛屿的数量 II</a>
        </td>
        <td>55.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>2.162</td>
    </tr>
    <tr>
        <td>400</td>
        <td>745</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/prefix-and-suffix-search/">前缀和后缀搜索</a></td>
        <td>30.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.417</td>
    </tr>
    <tr>
        <td>401</td>
        <td>877</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/stone-game/">石子游戏</a></td>
        <td>67.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.355</td>
    </tr>
    <tr>
        <td>402</td>
        <td>1143</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-common-subsequence/">最长公共子序列</a></td>
        <td>58.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.191</td>
    </tr>
    <tr>
        <td>403</td>
        <td>123</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii/">买卖股票的最佳时机
            III</a></td>
        <td>40.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.123</td>
    </tr>
    <tr>
        <td>404</td>
        <td>29</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/divide-two-integers/">两数相除</a></td>
        <td>19.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.076</td>
    </tr>
    <tr>
        <td>405</td>
        <td>63</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths-ii/">不同路径 II</a></td>
        <td>32.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.069</td>
    </tr>
    <tr>
        <td>406</td>
        <td>82</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii/">删除排序链表中的重复元素
            II</a></td>
        <td>45.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.095</td>
    </tr>
    <tr>
        <td>407</td>
        <td>86</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-list/">分隔链表</a></td>
        <td>55.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.105</td>
    </tr>
    <tr>
        <td>408</td>
        <td>89</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/gray-code/">格雷编码</a></td>
        <td>67.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.167</td>
    </tr>
    <tr>
        <td>409</td>
        <td>90</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subsets-ii/">子集 II</a></td>
        <td>58.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.121</td>
    </tr>
    <tr>
        <td>410</td>
        <td>100</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/same-tree/">相同的树</a></td>
        <td>56.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.05</td>
    </tr>
    <tr>
        <td>411</td>
        <td>105</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/">从前序与中序遍历序列构造二叉树</a>
        </td>
        <td>64.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.072</td>
    </tr>
    <tr>
        <td>412</td>
        <td>106</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/">从中序与后序遍历序列构造二叉树</a>
        </td>
        <td>66.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.12</td>
    </tr>
    <tr>
        <td>413</td>
        <td>107</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii/">二叉树的层次遍历
            II</a></td>
        <td>64.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.076</td>
    </tr>
    <tr>
        <td>414</td>
        <td>109</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree/">有序链表转换二叉搜索树</a>
        </td>
        <td>70.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.148</td>
    </tr>
    <tr>
        <td>415</td>
        <td>110</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/balanced-binary-tree/">平衡二叉树</a></td>
        <td>50.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.064</td>
    </tr>
    <tr>
        <td>416</td>
        <td>119</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pascals-triangle-ii/">杨辉三角 II</a></td>
        <td>59.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.08</td>
    </tr>
    <tr>
        <td>417</td>
        <td>142</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle-ii/">环形链表 II</a></td>
        <td>48.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>418</td>
        <td>168</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/excel-sheet-column-title/">Excel表列名称</a></td>
        <td>36.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.143</td>
    </tr>
    <tr>
        <td>419</td>
        <td>178</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rank-scores/">分数排名</a></td>
        <td>60.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.148</td>
    </tr>
    <tr>
        <td>420</td>
        <td>179</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-number/">最大数</a></td>
        <td>35.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.142</td>
    </tr>
    <tr>
        <td>421</td>
        <td>188</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iv/">买卖股票的最佳时机
            IV</a></td>
        <td>28.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.194</td>
    </tr>
    <tr>
        <td>422</td>
        <td>193</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-phone-numbers/">有效电话号码</a></td>
        <td>27.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.35</td>
    </tr>
    <tr>
        <td>423</td>
        <td>225</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-stack-using-queues/">用队列实现栈</a></td>
        <td>62.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.098</td>
    </tr>
    <tr>
        <td>424</td>
        <td>233</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-digit-one/">数字 1 的个数</a></td>
        <td>32.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.439</td>
    </tr>
    <tr>
        <td>425</td>
        <td>257</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-paths/">二叉树的所有路径</a></td>
        <td>61.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.117</td>
    </tr>
    <tr>
        <td>426</td>
        <td>303</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-immutable/">区域和检索 - 数组不可变</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.123</td>
    </tr>
    <tr>
        <td>427</td>
        <td>314</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/binary-tree-vertical-order-traversal/">二叉树的垂直遍历</a></td>
        <td>52.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.036</td>
    </tr>
    <tr>
        <td>428</td>
        <td>316</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-duplicate-letters/">去除重复字母</a></td>
        <td>37.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.338</td>
    </tr>
    <tr>
        <td>429</td>
        <td>393</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/utf-8-validation/">UTF-8 编码验证</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.583</td>
    </tr>
    <tr>
        <td>430</td>
        <td>394</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/decode-string/">字符串解码</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.128</td>
    </tr>
    <tr>
        <td>431</td>
        <td>407</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trapping-rain-water-ii/">接雨水 II</a></td>
        <td>34.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.676</td>
    </tr>
    <tr>
        <td>432</td>
        <td>435</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/non-overlapping-intervals/">无重叠区间</a></td>
        <td>44.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.265</td>
    </tr>
    <tr>
        <td>433</td>
        <td>456</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/132-pattern/">132模式</a></td>
        <td>25.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.348</td>
    </tr>
    <tr>
        <td>434</td>
        <td>537</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/complex-number-multiplication/">复数乘法</a></td>
        <td>67.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.551</td>
    </tr>
    <tr>
        <td>435</td>
        <td>543</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/diameter-of-binary-tree/">二叉树的直径</a></td>
        <td>47.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.108</td>
    </tr>
    <tr>
        <td>436</td>
        <td>558</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/quad-tree-intersection/">四叉树交集</a></td>
        <td>46.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.936</td>
    </tr>
    <tr>
        <td>437</td>
        <td>979</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/distribute-coins-in-binary-tree/">在二叉树中分配硬币</a>
        </td>
        <td>65.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.711</td>
    </tr>
    <tr>
        <td>438</td>
        <td>1135</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/connecting-cities-with-minimum-cost/">最低成本联通所有城市</a></td>
        <td>40.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.751</td>
    </tr>
    <tr>
        <td>439</td>
        <td>608</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/tree-node/">树节点</a></td>
        <td>68.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.17</td>
    </tr>
    <tr>
        <td>440</td>
        <td>581</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/shortest-unsorted-continuous-subarray/">最短无序连续子数组</a></td>
        <td>33.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.129</td>
    </tr>
    <tr>
        <td>441</td>
        <td>30</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/substring-with-concatenation-of-all-words/">串联所有单词的子串</a>
        </td>
        <td>29.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.078</td>
    </tr>
    <tr>
        <td>442</td>
        <td>111</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-depth-of-binary-tree/">二叉树的最小深度</a></td>
        <td>41.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.031</td>
    </tr>
    <tr>
        <td>443</td>
        <td>137</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number-ii/">只出现一次的数字 II</a></td>
        <td>65.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>444</td>
        <td>143</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reorder-list/">重排链表</a></td>
        <td>54.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.083</td>
    </tr>
    <tr>
        <td>445</td>
        <td>194</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/transpose-file/">转置文件</a></td>
        <td>33.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.444</td>
    </tr>
    <tr>
        <td>446</td>
        <td>557</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string-iii/">反转字符串中的单词 III</a>
        </td>
        <td>69.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>447</td>
        <td>762</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/prime-number-of-set-bits-in-binary-representation/">二进制表示中质数个计算置位</a>
        </td>
        <td>66.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.232</td>
    </tr>
    <tr>
        <td>448</td>
        <td>832</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flipping-an-image/">翻转图像</a></td>
        <td>74.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.121</td>
    </tr>
    <tr>
        <td>449</td>
        <td>872</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/leaf-similar-trees/">叶子相似的树</a></td>
        <td>62.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.172</td>
    </tr>
    <tr>
        <td>450</td>
        <td>905</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-array-by-parity/">按奇偶排序数组</a></td>
        <td>68.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>451</td>
        <td>292</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nim-game/">Nim 游戏</a></td>
        <td>69.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.056</td>
    </tr>
    <tr>
        <td>452</td>
        <td>413</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/arithmetic-slices/">等差数列划分</a></td>
        <td>59.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.175</td>
    </tr>
    <tr>
        <td>453</td>
        <td>693</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-number-with-alternating-bits/">交替位二进制数</a>
        </td>
        <td>60.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.183</td>
    </tr>
    <tr>
        <td>454</td>
        <td>690</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/employee-importance/">员工的重要性</a></td>
        <td>56.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.174</td>
    </tr>
    <tr>
        <td>455</td>
        <td>1171</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-zero-sum-consecutive-nodes-from-linked-list/">从链表中删去总和值为零的连续节点</a>
        </td>
        <td>36.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.275</td>
    </tr>
    <tr>
        <td>456</td>
        <td>1146</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/snapshot-array/">快照数组</a></td>
        <td>22.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.703</td>
    </tr>
    <tr>
        <td>457</td>
        <td>77</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combinations/">组合</a></td>
        <td>72.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.054</td>
    </tr>
    <tr>
        <td>458</td>
        <td>164</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-gap/">最大间距</a></td>
        <td>54.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.193</td>
    </tr>
    <tr>
        <td>459</td>
        <td>184</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/department-highest-salary/">部门工资最高的员工</a></td>
        <td>43.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.093</td>
    </tr>
    <tr>
        <td>460</td>
        <td>246</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/strobogrammatic-number/">中心对称数</a></td>
        <td>45.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.417</td>
    </tr>
    <tr>
        <td>461</td>
        <td>247</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/strobogrammatic-number-ii/">中心对称数 II</a></td>
        <td>48.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.498</td>
    </tr>
    <tr>
        <td>462</td>
        <td>248</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/strobogrammatic-number-iii/">中心对称数 III</a></td>
        <td>42.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.981</td>
    </tr>
    <tr>
        <td>463</td>
        <td>277</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-celebrity/">搜寻名人</a></td>
        <td>57.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.446</td>
    </tr>
    <tr>
        <td>464</td>
        <td>280</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/wiggle-sort/">摆动排序</a></td>
        <td>68.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.49</td>
    </tr>
    <tr>
        <td>465</td>
        <td>299</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bulls-and-cows/">猜数字游戏</a></td>
        <td>46.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.113</td>
    </tr>
    <tr>
        <td>466</td>
        <td>304</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-2d-immutable/">二维区域和检索 - 矩阵不可变</a>
        </td>
        <td>42.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.175</td>
    </tr>
    <tr>
        <td>467</td>
        <td>324</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/wiggle-sort-ii/">摆动排序 II</a></td>
        <td>34.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.145</td>
    </tr>
    <tr>
        <td>468</td>
        <td>343</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-break/">整数拆分</a></td>
        <td>54.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.108</td>
    </tr>
    <tr>
        <td>469</td>
        <td>410</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/split-array-largest-sum/">分割数组的最大值</a></td>
        <td>40.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.31</td>
    </tr>
    <tr>
        <td>470</td>
        <td>421</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array/">数组中两个数的最大异或值</a>
        </td>
        <td>57.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.365</td>
    </tr>
    <tr>
        <td>471</td>
        <td>452</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-number-of-arrows-to-burst-balloons/">用最少数量的箭引爆气球</a>
        </td>
        <td>48.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.146</td>
    </tr>
    <tr>
        <td>472</td>
        <td>455</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/assign-cookies/">分发饼干</a></td>
        <td>52.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>473</td>
        <td>471</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/encode-string-with-shortest-length/">编码最短长度的字符串</a></td>
        <td>50.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.441</td>
    </tr>
    <tr>
        <td>474</td>
        <td>475</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/heaters/">供暖器</a></td>
        <td>29.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.171</td>
    </tr>
    <tr>
        <td>475</td>
        <td>498</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/diagonal-traverse/">对角线遍历</a></td>
        <td>39.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.146</td>
    </tr>
    <tr>
        <td>476</td>
        <td>501</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-mode-in-binary-search-tree/">二叉搜索树中的众数</a>
        </td>
        <td>43.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.129</td>
    </tr>
    <tr>
        <td>477</td>
        <td>502</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ipo/">IPO</a></td>
        <td>36.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.567</td>
    </tr>
    <tr>
        <td>478</td>
        <td>505</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/the-maze-ii/">迷宫 II</a></td>
        <td>43.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.811</td>
    </tr>
    <tr>
        <td>479</td>
        <td>507</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/perfect-number/">完美数</a></td>
        <td>37.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.161</td>
    </tr>
    <tr>
        <td>480</td>
        <td>525</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contiguous-array/">连续数组</a></td>
        <td>41.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.333</td>
    </tr>
    <tr>
        <td>481</td>
        <td>541</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-string-ii/">反转字符串 II</a></td>
        <td>51.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.142</td>
    </tr>
    <tr>
        <td>482</td>
        <td>551</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/student-attendance-record-i/">学生出勤记录 I</a></td>
        <td>50.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.147</td>
    </tr>
    <tr>
        <td>483</td>
        <td>556</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-greater-element-iii/">下一个更大元素 III</a></td>
        <td>29.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.33</td>
    </tr>
    <tr>
        <td>484</td>
        <td>564</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-closest-palindrome/">寻找最近的回文数</a></td>
        <td>13.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.584</td>
    </tr>
    <tr>
        <td>485</td>
        <td>575</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/distribute-candies/">分糖果</a></td>
        <td>65.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.138</td>
    </tr>
    <tr>
        <td>486</td>
        <td>630</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule-iii/">课程表 III</a></td>
        <td>28.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.595</td>
    </tr>
    <tr>
        <td>487</td>
        <td>631</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-excel-sum-formula/">设计 Excel 求和公式</a></td>
        <td>21.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.17</td>
    </tr>
    <tr>
        <td>488</td>
        <td>715</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-module/">Range 模块</a></td>
        <td>32.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.013</td>
    </tr>
    <tr>
        <td>489</td>
        <td>719</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-k-th-smallest-pair-distance/">找出第 k 小的距离对</a>
        </td>
        <td>31.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.43</td>
    </tr>
    <tr>
        <td>490</td>
        <td>755</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pour-water/">倒水</a></td>
        <td>46.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.099</td>
    </tr>
    <tr>
        <td>491</td>
        <td>785</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/is-graph-bipartite/">判断二分图</a></td>
        <td>42.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.275</td>
    </tr>
    <tr>
        <td>492</td>
        <td>787</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/cheapest-flights-within-k-stops/">K 站中转内最便宜的航班</a>
        </td>
        <td>35.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.289</td>
    </tr>
    <tr>
        <td>493</td>
        <td>797</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/all-paths-from-source-to-target/">所有可能的路径</a></td>
        <td>74.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.423</td>
    </tr>
    <tr>
        <td>494</td>
        <td>800</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/similar-rgb-color/">相似 RGB 颜色</a></td>
        <td>65.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>1.155</td>
    </tr>
    <tr>
        <td>495</td>
        <td>801</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-swaps-to-make-sequences-increasing/">使序列递增的最小交换次数</a>
        </td>
        <td>36.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.481</td>
    </tr>
    <tr>
        <td>496</td>
        <td>824</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/goat-latin/">山羊拉丁文</a></td>
        <td>58.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.239</td>
    </tr>
    <tr>
        <td>497</td>
        <td>826</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/most-profit-assigning-work/">安排工作以达到最大收益</a></td>
        <td>34.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.308</td>
    </tr>
    <tr>
        <td>498</td>
        <td>850</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rectangle-area-ii/">矩形面积 II</a></td>
        <td>39.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.073</td>
    </tr>
    <tr>
        <td>499</td>
        <td>857</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-cost-to-hire-k-workers/">雇佣 K 名工人的最低成本</a>
        </td>
        <td>38.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.896</td>
    </tr>
    <tr>
        <td>500</td>
        <td>866</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/prime-palindrome/">回文素数</a></td>
        <td>19.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.503</td>
    </tr>
    </tbody>
</table>